build-scripts/makedep.sh
author Sam Lantinga <slouken@libsdl.org>
Wed, 15 Aug 2007 08:21:10 +0000
changeset 2247 93994f65c74c
parent 2204 9f64d06fa168
permissions -rwxr-xr-x
Removed hermes since it's LGPL and not compatible with a commercial license. Prepping for using MMX and SSE intrinsics instead of inline assembly. .. except for memcpy equivalents which only get faster if they can exploit the parallelism of loading into multiple SIMD registers. :)

#!/bin/sh
#
# Generate dependencies from a list of source files

# Check to make sure our environment variables are set
if test x"$INCLUDE" = x -o x"$SOURCES" = x -o x"$output" = x; then
    echo "SOURCES, INCLUDE, and output needs to be set"
    exit 1
fi
cache_prefix=".#$$"

generate_var()
{
    echo $1 | sed -e 's|^.*/||' -e 's|\.|_|g'
}

search_deps()
{
    base=`echo $1 | sed 's|/[^/]*$||'`
    grep '#include "' <$1 | sed -e 's|.*"\([^"]*\)".*|\1|' | \
    while read file
    do cache=${cache_prefix}_`generate_var $file`
       if test -f $cache; then
          : # We already ahve this cached
       else
           : >$cache
           for path in $base `echo $INCLUDE | sed 's|-I||g'`
           do dep="$path/$file"
              if test -f "$dep"; then
                 echo "	$dep \\" >>$cache
                 search_deps $dep >>$cache
                 break
              fi
           done
       fi
       cat $cache
    done
}

:>${output}.new
for src in $SOURCES
do  echo "Generating dependencies for $src"
    ext=`echo $src | sed 's|.*\.\(.*\)|\1|'`
    if test x"$ext" = x"rc"; then
        obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.o|g"`
    else
        obj=`echo $src | sed "s|^.*/\([^ ]*\)\..*|\1.lo|g"`
    fi
    echo "\$(objects)/$obj: $src \\" >>${output}.new
    search_deps $src | sort | uniq >>${output}.new
    case $ext in
        c) cat >>${output}.new <<__EOF__

	\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@

__EOF__
        ;;
        cc) cat >>${output}.new <<__EOF__

	\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@

__EOF__
        ;;
        m) cat >>${output}.new <<__EOF__

	\$(LIBTOOL) --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@

__EOF__
        ;;
        S) cat >>${output}.new <<__EOF__

	\$(LIBTOOL)  --mode=compile \$(CC) \$(CFLAGS) \$(EXTRA_CFLAGS) -c $src  -o \$@

__EOF__
        ;;
        rc) cat >>${output}.new <<__EOF__

	\$(WINDRES) $src \$@

__EOF__
        ;;
        *)   echo "Unknown file extension: $ext";;
    esac
    echo "" >>${output}.new
done
mv ${output}.new ${output}
rm -f ${cache_prefix}*